Work in progress

<rdf:RDF
    xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
    xmlns:j.0="http://qudt.org/schema/qudt/"
    xmlns:j.1="http://purl.org/dc/terms/"
    xmlns:owl="http://www.w3.org/2002/07/owl#"
    xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#"
    xmlns:xsd="http://www.w3.org/2001/XMLSchema#" > 
  <rdf:Description rdf:about="http://qudt.org/vocab/constant/PermittivityOfVacuum">
    <j.0:ucumCode rdf:datatype="http://qudt.org/schema/qudt/UCUMcs">[eps_0]</j.0:ucumCode>
    <rdfs:isDefinedBy rdf:resource="http://qudt.org/3.1.0/vocab/constant"/>
    <j.0:latexDefinition rdf:datatype="http://qudt.org/schema/qudt/LatexString">$\epsilon = \frac{\mathbf{D}}{\mathbf{E}}$, where $\mathbf{D}$ is electric flux density and $\mathbf{E}$ is electric field strength.</j.0:latexDefinition>
    <rdf:type rdf:resource="http://qudt.org/schema/qudt/PhysicalConstant"/>
    <j.0:hasQuantityKind rdf:resource="http://qudt.org/vocab/quantitykind/Permittivity"/>
    <j.0:dbpediaMatch rdf:datatype="http://www.w3.org/2001/XMLSchema#anyURI">http://dbpedia.org/resource/Permittivity</j.0:dbpediaMatch>
    <j.0:quantityValue rdf:resource="http://qudt.org/vocab/constant/Value_PermittivityOfVacuum"/>
    <j.0:latexSymbol rdf:datatype="http://qudt.org/schema/qudt/LatexString">$\epsilon_0$</j.0:latexSymbol>
    <j.1:description rdf:datatype="http://qudt.org/schema/qudt/LatexString">
  The constant $\textit{Permittivity of Vacuum}$, also known as the $\textit{electric constant}$ is a constant 
  whose value is $\approx\,6.854188e-12\, farad\,per\,metre$. Sometimes also referred to as 
  the $\textit{Permittivity of Free Space}$.
  </j.1:description>
    <rdfs:seeAlso rdf:resource="http://qudt.org/vocab/quantitykind/ElectricFieldStrength"/>
    <rdfs:seeAlso rdf:resource="http://qudt.org/vocab/quantitykind/ElectricFluxDensity"/>
    <rdfs:label xml:lang="en">Permittivity of Vacuum</rdfs:label>
    <j.0:applicableUnit rdf:resource="http://qudt.org/vocab/unit/FARAD-PER-M"/>
    <rdfs:seeAlso rdf:resource="http://qudt.org/vocab/quantitykind/Permittivity"/>
    <j.0:informativeReference rdf:datatype="http://www.w3.org/2001/XMLSchema#anyURI">http://www.iso.org/iso/home/store/catalogue_tc/catalogue_detail.htm?csnumber=31891</j.0:informativeReference>
  </rdf:Description>
</rdf:RDF>

@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

<http://qudt.org/vocab/constant/PermittivityOfVacuum>
  rdf:type <http://qudt.org/schema/qudt/PhysicalConstant> ;
  <http://purl.org/dc/terms/description> """
  The constant $\\textit{Permittivity of Vacuum}$, also known as the $\\textit{electric constant}$ is a constant 
  whose value is $\\approx\\,6.854188e-12\\, farad\\,per\\,metre$. Sometimes also referred to as 
  the $\\textit{Permittivity of Free Space}$.
  """^^<http://qudt.org/schema/qudt/LatexString> ;
  <http://qudt.org/schema/qudt/applicableUnit> <http://qudt.org/vocab/unit/FARAD-PER-M> ;
  <http://qudt.org/schema/qudt/dbpediaMatch> "http://dbpedia.org/resource/Permittivity"^^xsd:anyURI ;
  <http://qudt.org/schema/qudt/hasQuantityKind> <http://qudt.org/vocab/quantitykind/Permittivity> ;
  <http://qudt.org/schema/qudt/informativeReference> "http://www.iso.org/iso/home/store/catalogue_tc/catalogue_detail.htm?csnumber=31891"^^xsd:anyURI ;
  <http://qudt.org/schema/qudt/latexDefinition> "$\\epsilon = \\frac{\\mathbf{D}}{\\mathbf{E}}$, where $\\mathbf{D}$ is electric flux density and $\\mathbf{E}$ is electric field strength."^^<http://qudt.org/schema/qudt/LatexString> ;
  <http://qudt.org/schema/qudt/latexSymbol> "$\\epsilon_0$"^^<http://qudt.org/schema/qudt/LatexString> ;
  <http://qudt.org/schema/qudt/quantityValue> <http://qudt.org/vocab/constant/Value_PermittivityOfVacuum> ;
  <http://qudt.org/schema/qudt/ucumCode> "[eps_0]"^^<http://qudt.org/schema/qudt/UCUMcs> ;
  rdfs:isDefinedBy <http://qudt.org/3.1.0/vocab/constant> ;
  rdfs:label "Permittivity of Vacuum"@en ;
  rdfs:seeAlso <http://qudt.org/vocab/quantitykind/ElectricFieldStrength> ;
  rdfs:seeAlso <http://qudt.org/vocab/quantitykind/ElectricFluxDensity> ;
  rdfs:seeAlso <http://qudt.org/vocab/quantitykind/Permittivity> ;
.

{"resource":"Permittivity of Vacuum" 
 ,"qname":"constant:PermittivityOfVacuum" 
 ,"uri":"http:\/\/qudt.org\/vocab\/constant\/PermittivityOfVacuum" 
 ,"properties":["applicable unit":"unit:FARAD-PER-M" 
    ,"dbpedia match":"http:\/\/dbpedia.org\/resource\/Permittivity" 
    ,"description":"\n  The constant $\\textit{Permittivity of Vacuum}$, also known as the $\\textit{electric constant}$ is a constant \n  whose value is $\\approx\\,6.854188e-12\\, farad\\,per\\,metre$. Sometimes also referred to as \n  the $\\textit{Permittivity of Free Space}$.\n  " 
    ,"has quantity kind":"quantitykind:Permittivity" 
    ,"informative reference":"http:\/\/www.iso.org\/iso\/home\/store\/catalogue_tc\/catalogue_detail.htm?csnumber=31891" 
    ,"isDefinedBy":"<http:\/\/qudt.org\/3.1.0\/vocab\/constant>" 
    ,"label":"Permittivity of Vacuum" 
    ,"latex definition":"$\\epsilon = \\frac{\\mathbf{D}}{\\mathbf{E}}$, where $\\mathbf{D}$ is electric flux density and $\\mathbf{E}$ is electric field strength." 
    ,"latex symbol":"$\\epsilon_0$" 
    ,"quantity value":"constant:Value_PermittivityOfVacuum" 
    ,"seeAlso":"quantitykind:ElectricFieldStrength" 
    ,"seeAlso":"quantitykind:ElectricFluxDensity" 
    ,"seeAlso":"quantitykind:Permittivity" 
    ,"type":"qudt:PhysicalConstant" 
    ,"ucum code":"[eps_0]" 
    ]}

{
  "@id" : "http://qudt.org/vocab/constant/PermittivityOfVacuum",
  "@type" : "http://qudt.org/schema/qudt/PhysicalConstant",
  "description" : "\n  The constant $\\textit{Permittivity of Vacuum}$, also known as the $\\textit{electric constant}$ is a constant \n  whose value is $\\approx\\,6.854188e-12\\, farad\\,per\\,metre$. Sometimes also referred to as \n  the $\\textit{Permittivity of Free Space}$.\n  ",
  "applicableUnit" : "http://qudt.org/vocab/unit/FARAD-PER-M",
  "dbpediaMatch" : "http://dbpedia.org/resource/Permittivity",
  "hasQuantityKind" : "http://qudt.org/vocab/quantitykind/Permittivity",
  "informativeReference" : "http://www.iso.org/iso/home/store/catalogue_tc/catalogue_detail.htm?csnumber=31891",
  "latexDefinition" : "$\\epsilon = \\frac{\\mathbf{D}}{\\mathbf{E}}$, where $\\mathbf{D}$ is electric flux density and $\\mathbf{E}$ is electric field strength.",
  "latexSymbol" : "$\\epsilon_0$",
  "quantityValue" : "http://qudt.org/vocab/constant/Value_PermittivityOfVacuum",
  "ucumCode" : "[eps_0]",
  "isDefinedBy" : "http://qudt.org/3.1.0/vocab/constant",
  "label" : {
    "@language" : "en",
    "@value" : "Permittivity of Vacuum"
  },
  "seeAlso" : [ "http://qudt.org/vocab/quantitykind/ElectricFieldStrength", "http://qudt.org/vocab/quantitykind/ElectricFluxDensity", "http://qudt.org/vocab/quantitykind/Permittivity" ],
  "@context" : {
    "ucumCode" : {
      "@id" : "http://qudt.org/schema/qudt/ucumCode",
      "@type" : "http://qudt.org/schema/qudt/UCUMcs"
    },
    "isDefinedBy" : {
      "@id" : "http://www.w3.org/2000/01/rdf-schema#isDefinedBy",
      "@type" : "@id"
    },
    "latexDefinition" : {
      "@id" : "http://qudt.org/schema/qudt/latexDefinition",
      "@type" : "http://qudt.org/schema/qudt/LatexString"
    },
    "hasQuantityKind" : {
      "@id" : "http://qudt.org/schema/qudt/hasQuantityKind",
      "@type" : "@id"
    },
    "dbpediaMatch" : {
      "@id" : "http://qudt.org/schema/qudt/dbpediaMatch",
      "@type" : "http://www.w3.org/2001/XMLSchema#anyURI"
    },
    "quantityValue" : {
      "@id" : "http://qudt.org/schema/qudt/quantityValue",
      "@type" : "@id"
    },
    "latexSymbol" : {
      "@id" : "http://qudt.org/schema/qudt/latexSymbol",
      "@type" : "http://qudt.org/schema/qudt/LatexString"
    },
    "description" : {
      "@id" : "http://purl.org/dc/terms/description",
      "@type" : "http://qudt.org/schema/qudt/LatexString"
    },
    "seeAlso" : {
      "@id" : "http://www.w3.org/2000/01/rdf-schema#seeAlso",
      "@type" : "@id"
    },
    "label" : {
      "@id" : "http://www.w3.org/2000/01/rdf-schema#label"
    },
    "applicableUnit" : {
      "@id" : "http://qudt.org/schema/qudt/applicableUnit",
      "@type" : "@id"
    },
    "informativeReference" : {
      "@id" : "http://qudt.org/schema/qudt/informativeReference",
      "@type" : "http://www.w3.org/2001/XMLSchema#anyURI"
    },
    "rdf" : "http://www.w3.org/1999/02/22-rdf-syntax-ns#",
    "owl" : "http://www.w3.org/2002/07/owl#",
    "xsd" : "http://www.w3.org/2001/XMLSchema#",
    "rdfs" : "http://www.w3.org/2000/01/rdf-schema#"
  }
}